Page 2 - ln7
P. 2
Required time =LCM of 6,7,8,12 seconds
= 2 6,7,8,12
2 3,7,4,6
3 3,7,2,3
1,7,2,1
=2x2x3x7x2 seconds =168 seconds =2 min 48 sec
So, the bells will toll together after 2 min.48 sec.
